diff.c: emit_diff_symbol learns DIFF_SYMBOL_CONTEXT_MARKER

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/diff.c b/diff.c
index 4637368d59c75e1013068927cc1e5e4243347478..75b996c4cf17d712d7430c24869208263d05f064 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -561,13 +561,20 @@ static void emit_line(struct diff_options *o, const char *set, const char *reset
 }
 
 enum diff_symbol {
+       DIFF_SYMBOL_CONTEXT_MARKER,
        DIFF_SYMBOL_SEPARATOR
 };
 
 static void emit_diff_symbol(struct diff_options *o, enum diff_symbol s,
                             const char *line, int len)
 {
+       const char *context, *reset;
        switch (s) {
+       case DIFF_SYMBOL_CONTEXT_MARKER:
+               context = diff_get_color_opt(o, DIFF_CONTEXT);
+               reset = diff_get_color_opt(o, DIFF_RESET);
+               emit_line(o, context, reset, line, len);
+               break;
        case DIFF_SYMBOL_SEPARATOR:
                fprintf(o->file, "%s%c",
                        diff_line_prefix(o),
@@ -662,7 +669,8 @@ static void emit_hunk_header(struct emit_callback *ecbdata,
        if (len < 10 ||
            memcmp(line, atat, 2) ||
            !(ep = memmem(line + 2, len - 2, atat, 2))) {
-               emit_line(ecbdata->opt, context, reset, line, len);
+               emit_diff_symbol(ecbdata->opt,
+                                DIFF_SYMBOL_CONTEXT_MARKER, line, len);
                return;
        }
        ep += 2; /* skip over @@ */